Optical disc assemblies for performing assays
View Patent ↗This invention relates to an optical disc assembly capable of receiving an insert upon which an analyte of interest may be disposed. The optical disc assembly can be read by an optical disc reader, such as by a standard CD or DVD reader, and the analyte disposed on the insert can be detected by the optical disc reader. The optical disc assembly may have one or more data layer in which operational information or assay information is encoded. Hologram may be used to encode operational information or assay information.
1. An optical disc assembly, comprising:
a first layer containing optically readable structures which are trackable by an optical disc reader and which have encoded speed information enabling the optical disc reader to rotate the optical disc assembly at a speed that is determinable from said speed information; and
at least one insert having a surface capable of receiving an analyte which can be detected by the optical disc reader.
2. The optical disc assembly according to claim 1 wherein the optical disc reader is a CD reader or a DVD reader.
3. The optical disc assembly according to claim 1 wherein the first layer includes a surface impressed with said optically readable structures which are coated with a first reflective layer.
4. The optical disc assembly according to claim 3 wherein the first reflective layer is semi-reflective, and the first layer contains a refractive material and is capable of focusing a reading beam of the optical disc reader on the first reflective layer.
5. The optical disc assembly according to claim 4 where in the first reflective layer has a reflectivity of between 18 and 30%.
6. The optical disc assembly according to claim 3 further comprising a second layer, said insert and the first reflective layer being located between the first layer and the second layer.
7. The optical disc assembly according to claim 6 wherein the second layer contains a refractive material and is capable of focusing a reading beam of the optical disc reader on the first reflective layer.
8. The optical disc assembly according to claim 7 wherein said surface of the insert is between the first layer and another surface of the insert.
9. The optical disc assembly according to claim 7 wherein the insert is replaceable and contains glass or plastic.
10. The optical disc assembly according to claim 9 wherein the second layer is a cover.
11. The optical disc assembly according to claim 9 further comprising at least one counterweight insert.
12. The optical disc assembly according to claim 7 wherein the second layer includes a surface impressed with optically readable structures which are coated with a semi-reflective layer.
13. The optical disc assembly according to claim 12 wherein said surface of the insert is located between the second layer and another surface of the insert.
14. The optical disc assembly according to claim 12 wherein at least one of the first layer and the second layer includes data having encoded information for conducting an assay on the analyte.
15. The optical disc assembly according to claim 6 wherein the second layer includes a surface impressed with optically readable structures which are coated with a second reflective layer.
16. The optical disc assembly according to claim 15 wherein the first reflective layer is semi-reflective, and the first layer contains a refractive material and is capable of focusing a reading beam of the optical disc reader on the second reflective layer.
17. The optical disc assembly according to claim 16 wherein at least one of the first layer and the second layer includes data having encoded information for conducting an assay on the analyte.
18. The optical disc assembly according to claim 17 wherein said surface of the insert is between the second layer and another surface of the insert.
19. The optical disc assembly according to claim 15 further comprising the analyte which is located on said surface of the insert and is adjacent to either the first reflective layer or the second reflective layer.
20. The optical disc assembly according to claim 3 further comprising a second layer, the first reflective layer being located between the first layer and the second layer, and the insert being at least partially embedded in the first layer or the second layer.
21. The optical disc assembly according to claim 3 further comprising the analyte which is located on said surface of the insert and is adjacent to the first reflective layer.
22. The optical disc assembly according to claim 1 further comprising the analyte on said surface of the insert.
23. A method for detecting an analyte held by the optical disc assembly of claim 1 , comprising:
providing the optical disc assembly to the optical disc reader;
reading the optical disc assembly; and
obtaining a signal which is indicative of the presence of the analyte.
24. An optical disc assembly, comprising:
a hologram containing optically readable structures which have encoded tracking information, and speed information enabling an optical disc reader to rotate the optical disc assembly at a speed that is determinable from said speed information; and
at least one insert having a surface capable of receiving an analyte which can be detected by the optical disc reader.
25. The optical disc assembly according to claim 24 wherein the optical disc reader is a CD reader or a DVD reader.
26. The optical disc assembly according to claim 24 further comprising a layer which contains a refractive material and is capable of focusing a reading beam of the optical disc reader on an image plane of the hologram.
27. The optical disc assembly according to claim 26 wherein said surface of the insert is within or adjacent to the image plane of the hologram.
28. The optical disc assembly according to claim 26 wherein the insert is located between the hologram and said layer.
29. The optical disc assembly according to claim 28 wherein said layer includes a surface impressed with optically readable structures which are coated with a semi-reflective layer.
30. The optical disc assembly according to claim 29 wherein at least one of said layer and the hologram includes data having encoded information for conducting an assay on the analyte.
31. The optical disc assembly according to claim 26 further comprising the analyte which is located on said surface of the insert and is adjacent to the image plane of the hologram.
32. The optical disc assembly according to claim 31 wherein at least part of the analyte is located within the image plane of the hologram.
33. The optical disc assembly according to claim 24 further comprising the analyte on said surface of the insert.
34. A method for detecting an analyte held by the optical disc assembly of claim 24 comprising:
providing the optical disc assembly to the optical disc reader;
reading the optical disc assembly; and
obtaining a signal which is indicative of the presence of the analyte.
35. An optical disc assembly, comprising:
optically readable structures which have encoded tracking information, and speed information enabling an optical disc reader to rotate the optical disc assembly at a speed that is determinable from said speed information; and
at least one analyte section capable of receiving an insert having a surface which is capable of receiving an analyte which can be read by the optical disc reader.
36. The optical disc assembly according to claim 35 wherein said optical disc reader is a CD reader or a DVD reader.
37. The optical disc assembly according to claim 35 comprising at least two layers, said analyte section being located between said two layers.
38. A kit for detecting an analyte, comprising:
a disc including a first layer that contains optically readable structures which have encoded tracking information, and speed information enabling an optical disc reader to rotate the disc at a speed that is determinable from said speed information; and
an insert having a surface capable of receiving the analyte, the insert being capable of being coupled to the disc to enable the optical disc reader to detect the analyte held by the insert.